Salt Water Powers Radio; Battery made of scrap metal and a pill vial runs for months! (1962)
José Guadalupe Posada
Robert Smithson, Spiral Jetty (1970) Aerial view of 'Spiral Jetty', Great Salt Lake, Utah. {Photographed by David Maisel in August of 2003}
Source: historyofourworld.wordpress.com
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loverofbeauty
Visio Mystica
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Image reduced from a cut in a 16th century work, The Book of Lambspring; a noble ancient Philosopher, concerning the Philosophical Stone. Here the father devours the son; the soul and spirit flow forth from the body.
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Philosophical Mercury (15th century, Italy)
New York City, Ted Croner. [1947]